Are you tired of living in a home without automated robotic sentries? Perhaps you should consider Turrets, the new product from Aperture Science, as featured in this trailer for the video game ‘Portal 2.’

Valve, in partnership with Aperture Science, has released a video showcasing the panel technology that helps with the creation of Portal 2’s test chambers – and explains why you should purchase them for your own facility.

Valve project manager Erik Johnson is convinced that every games does not need multiplayer and that using community features can create a connected experience in the absence of the multiplayer component.